Lina Maria Grajales is a Chemical Engineer graduated from the National University of Colombia, UNAL. She holds a master's and doctoral degree in Engineering and Food Science from São Paulo State University, UNESP. She has a Postdoctoral internship in Chemical Engineering at UNAL. She is a Professor at the Federal University of Tocantins, UFT, in the undergraduate course of Food Engineering and in the Graduate Program of Digital Agroenergy. She is a coordinator of the Support Group for Foreigner Students. She coordinates the Research Group "Bioreactor Engineering". Her expertise area is in developing rotary-drum and fixed-bed bioreactors for Solid-State Fermentation aiming at biofuels production.